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STR-KS1200
STR-KS1200
35
35
• See page 40 for IC Block Diagrams.
5-25. SCHEMATIC DIAGRAM - DCAC (1200) Board -
BOARD
G
MAIN
(4/10)
CNP500
IC B/D
3.3
5.1
3.3
2.4
0.4
1
0
3.5
3.3
0
0
1.2
0
0
0
0.7
0.7
2.2k
R2804
2.2k
R2806
100p
C2804
FB2800
2.2k
R2801
10k
R2813
2200p
C2830
2200p
C2806
220k
R2803
1k
R2819
1k
R2808
68k
R2807
14
13
12
11
10
9
8
7
6
5
4
3
2
1
NJM2173AV(TE2)
IC2801
OUT1
DCC1
IN1
V+1
REG
N
GND
V+
STBY
GV
V+2
IN2
DCC2
OUT2
0.1
C2800
2SC2712-GL-TE85L
Q2800
10k
R2818
2200p
C2822
10k
R2814
C2817
2200p
0.1
C2801
0.1
C2825
0.1
C2813
16V
C2818
47
16V
47
C2823
J2800
0.1
C2828
25V
47
C2814
25V
47
C2829
50V
1
C2819
50V
10
C2802
50V
10
C2803
50V
10
C2805
50V
10
C2815
50V
C2816
10
50V
10
C2820
50V
10
C2821
50V
10
C2826
M
A
111
-T
X
D2800
1
3
4
5
6
7
CN2800
7P
DCAC_MIC_L
GND
DCAC_MIC_R
MIC_ON/OFF
+5V
GND
E
EB2800
25V
47
C2824
DCAC (1200) BOARD
IC2801
MIC AMP
A
10
1
2
B
11
C
7
8
F
9
6
4
3
G
D
5
E
1
2
3
IC2802
+3.3V REGULATOR
BAA33BC0FP-E2
IC2802
VCC
GND
OUT
(CHASSIS)
AUTO
CAL
MIC
LINE AMP
(Page 21)
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